Buick Regal 2018-2025 Service Manual / Steering & Driveline & Axle / Rear Drive Axle / Diagnostic Information and Procedures
Buick Regal: Diagnostic Information and Procedures
- DTC C0393
- DTC C0407
- DTC C1230 or C1231
- DTC C1244, C1245, or C124B
- DTC C1282
- DTC C12A1 or C12A9
- Symptoms - Rear Differential Carrier
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DTC C0393
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diag
DTC C0407
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diag
DTC C1230 or C1231
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diag
SEE MORE:
Transmission Fluid Cooler Outlet Pipe Replacement (9T50 / 9T60)
Removal Procedure
1. Place a suitable container under the vehicle to catch any spilled
transmission fluid.
2.
NOTE: Cover or plug all open transmission fluid cooler pipe connection
points
to help avoid any accidental contamination or spills.
Transmission Fluid Cooler Outlet Pipe(1)@Radiator - Re
Stop Lamps Malfunction
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
Diagnostic Fault
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